Chapter 2 Operating Your Universal Counter
Using the Gate & External Arm Menu Key
Operating Guide
2-25
2
7
Press Gate & ExtArm key.
STOP: NEG
is displayed.
8
Press any one of the arrow keys until
STOP: TIME
is displayed.
9
Set the Gate Time to 5 ms by performing the following steps:
a. Press Gate & ExtArm key.
TIME: .100
seconds (the default time) is displayed.
b. Press the appropriate arrow keys to until
TIME: .00500
seconds is
displayed.
c.
Press Enter key.
NOTE
BE SURE to press the Enter key to complete the numeric entry.
The counter will now gate for a duration of 5 ms.
10
Press Stop/Single key to start the measurement.
The measurement is started after the external arm pulse occurs.
Example Procedure for Changing the Number of
Digits of Resolution Displayed for More
Precise Measurements
1
Turn POWER key OFF then ON again (cycle POWER key) to preset the
Counter.
2
Connect (for demonstration purposes) the 10 MHz Out signal to the
channel 1 input.
3
Press Time & Period key until
PERIOD 1
is displayed.
After a few seconds,
0.10000000000
µ
s
is displayed. Hence, the default
number of digits (or resolution) displays a precise measurement.
Summary of Contents for 53131A
Page 1: ...Operating Guide HP 53131A 132A 225 MHz Universal Counter ...
Page 2: ......
Page 26: ...xxiv Operating Guide ...
Page 41: ...1 Getting Started ...
Page 77: ...2 Operating Your Universal Counter Operator s Reference ...
Page 171: ...3 Specifications ...
Page 196: ... Manual Part Number 53131 90055 Printed in U S A MAY 1999 ...